feat(ags4): implement lockscreen

modules/ags/gtk4/widgets/astalify/bindings.ts

@@ -0,0 +1,27 @@
+import { Variable } from 'astal';
+import { Binding } from 'astal/binding';
+
+
+export const mergeBindings = <Value = unknown>(
+    array: (Value | Binding<Value> | Binding<Value[]>)[],
+): Value[] | Binding<Value[]> => {
+    const getValues = (args: Value[]) => {
+        let i = 0;
+
+        return array.map((value) => value instanceof Binding ?
+            args[i++] :
+            value);
+    };
+
+    const bindings = array.filter((i) => i instanceof Binding);
+
+    if (bindings.length === 0) {
+        return array as Value[];
+    }
+
+    if (bindings.length === 1) {
+        return (bindings[0] as Binding<Value[]>).as(getValues);
+    }
+
+    return Variable.derive(bindings, getValues)();
+};